#include<stdio.h>
#include<stdlib.h>
#include<time.h>
#define NMAX 50003

long long n,s,i,suma;

long long a[NMAX],s[NMAX];

				// A - MULTIMEA +
			       //  B - MULTIMEA -

long long mutare(int sign)
{
  while(s[i=rand()%n+1]!=sign);

  s[i]*=-1;

  return a[i];  }


int main()
{
  freopen("semne.in","r",stdin);
  freopen("semne.out","w",stdout);

  scanf("%lld %lld",&n,&s);   srand( time(NULL) );

  for(i=1;i<=n;i++)
  {scanf("%lld",&a[i].val); suma+=a[i]; s[i]=1;}

  while(suma!=s)
  {

    if(suma<s) suma+=(mutare(-1)<<1);
    else suma-=(mutare(1)<<1);

  }

  for(i=1;i<=n;i++)
  if(a[i].semn==1) printf("+");
  else printf("-");

  printf("\n"); return 0; }